Home / 35,177.76-48,540.80-20,069.55

Finding the Fourth Proportional to 35,177.76, 48,540.80 and 20,069.55

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Solution

The fourth proportional to 35,177.76, 48,540.80 and 20,069.55 is: 27,693.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,177.76 : 48,540.80 = 20,069.55 : x
  2. Step 2: Convert to fraction form
    35,177.76/48,540.80 = 20,069.55/x
  3. Step 3: Cross multiply
    35,177.76x = 48,540.80 × 20,069.55
  4. Step 4: Simplify right side
    35,177.76x = 974,192,062.81
  5. Step 5: Solve for x
    x = 974,192,062.81/35,177.76
  6. Step 6: Final answer
    x = 27,693.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.